21550728132

素因数分解:

$2^2\times 3^5\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{1013}}^1$

素因数の和:1584

約数の個数: 144

約数和(自身を含む): 57977599680

約数和(自身を除く): 36426871548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 243, 258, 324, 387, 486, 509, 516, 774, 972, 1013, 1018, 1161, 1527, 1548, 2026, 2036, 2322, 3039, 3054, 3483, 4052, 4581, 4644, 6078, 6108, 6966, 9117, 9162, 10449, 12156, 13743, 13932, 18234, 18324, 20898, 21887, 27351, 27486, 36468, 41229, 41796, 43559, 43774, 54702, 54972, 65661, 82053, 82458, 87118, 87548, 109404, 123687, 130677, 131322, 164106, 164916, 174236, 196983, 246159, 247374, 261354, 262644, 328212, 392031, 393966, 492318, 494748, 515617, 522708, 590949, 784062, 787932, 984636, 1031234, 1176093, 1181898, 1546851, 1568124, 1772847, 2062468, 2352186, 2363796, 3093702, 3528279, 3545694, 4640553, 4704372, 5318541, 6187404, 7056558, 7091388, 9281106, 10584837, 10637082, 13921659, 14113116, 18562212, 21169674, 21274164, 22171531, 27843318, 41764977, 42339348, 44343062, 55686636, 66514593, 83529954, 88686124, 125294931, 133029186, 167059908, 199543779, 250589862, 266058372, 399087558, 501179724, 598631337, 798175116, 1197262674, 1795894011, 2394525348, 3591788022, 5387682033, 7183576044, 10775364066, 21550728132]

約数ペア:

[(1, 21550728132), (2, 10775364066), (3, 7183576044), (4, 5387682033), (6, 3591788022), (9, 2394525348), (12, 1795894011), (18, 1197262674), (27, 798175116), (36, 598631337), (43, 501179724), (54, 399087558), (81, 266058372), (86, 250589862), (108, 199543779), (129, 167059908), (162, 133029186), (172, 125294931), (243, 88686124), (258, 83529954), (324, 66514593), (387, 55686636), (486, 44343062), (509, 42339348), (516, 41764977), (774, 27843318), (972, 22171531), (1013, 21274164), (1018, 21169674), (1161, 18562212), (1527, 14113116), (1548, 13921659), (2026, 10637082), (2036, 10584837), (2322, 9281106), (3039, 7091388), (3054, 7056558), (3483, 6187404), (4052, 5318541), (4581, 4704372), (4644, 4640553), (6078, 3545694), (6108, 3528279), (6966, 3093702), (9117, 2363796), (9162, 2352186), (10449, 2062468), (12156, 1772847), (13743, 1568124), (13932, 1546851), (18234, 1181898), (18324, 1176093), (20898, 1031234), (21887, 984636), (27351, 787932), (27486, 784062), (36468, 590949), (41229, 522708), (41796, 515617), (43559, 494748), (43774, 492318), (54702, 393966), (54972, 392031), (65661, 328212), (82053, 262644), (82458, 261354), (87118, 247374), (87548, 246159), (109404, 196983), (123687, 174236), (130677, 164916), (131322, 164106)]